Emmanuel – React, React Native, Node.js

An auto trading platform that allows users to mirror the trading activity of selected U.S. politicians, based on the publicly disclosed financial trades they make. Users can browse a list of politicians, select whom to mirror, and connect their brokerage account (e.g., Robinhood). The platform is designed for retail investors who are interested in following influential trades without having to act manually.

• Led end-to-end development of the platform, from mobile UI design in React Native to backend implementation with FastAPI;
• Designed and developed the mobile user interface for an intuitive trading experience;
• Built and maintained a FastAPI backend to support real-time data processing and automation;
• Integrated with Robinhood’s brokerage API for trade execution and account management;
• Connected real-time trade data with automated execution logic for seamless trade mirroring;
• Ensured secure authentication and data protection throughout the platform;
• Architected the overall system for scalability, performance, and fault tolerance;
• Created a seamless user experience, enabling effortless replication of politician trades.

A digital platform where therapists are listed, and users can connect with those therapists based on location proximity and other filter criteria.

• Integrated Google and Outlook calendars API just like on Calendly;
• Created the user interface for the screens;
• Enhanced existing features;
• Built integration and Test Pipelines.

It offers personalized recommendations, access to exclusive drops, and a vibrant community of influencer recommendations.

• Built and deployed Android and iOS applications to Playstore and Appstore, respectively.

It stands for quality and affordable driving and is the oldest garage formula in the Netherlands. They have many projects, one of that is a mobile app for checking vehicle diagnostic services. The app leverages the external API to provide the state of the car.

• Organized and supervised the work of other engineers, supported and advised them during the project;
• Built user interface integrating the API with the app;
• Wrote unit, integration, and e2e tests;
• Deployed the application to the App Store and Play Store.

This is one of the leading apps in Europe for vehicle Maintenance and Diagnosis. The app detects the car's status and can inform users when the vehicle needs Maintenace.

• Designed the System Architecture from scratch;
• Created the System's Road map and communicated with the client throughout the process;
• Built mobile screens and integrated them with the API;
• Wrote unit, integration, and e2e tests;
• Debugged and resolved application issues.

The platform was built specifically for players. It delivers an FHIR-based platform modeled on Blue Button 2.0 that connects users' data, provides powerful consent management, and offers a developer management platform.

• Wrote smart contract for consent management;
• Built UI to collect data from payers;
• Wrote serverless functions for Data ingestion.

This is an API built on FHIR data; the main purpose of this API is to retrieve healthcare data using OpenId connect and trigger an ingestion engine and Azure functions.

• Implemented Azure functions for the ingestion engine;
• Wrote unit test with mocha;
• Exposed endpoints for the mobile phone.

This is the first decentralized e-commerce store.

• Wrote the smart contracts for Escrow;
• Deployed the contract on the Ethereum;
• Interacted with the smart contract through web3 to build the user interface.

It provides innovative, field-proven technologies and services to complete the most challenging projects underwater, on land, and in space. This project aimed to build a multi-tenant system for oil companies.

• Implemented Live streams with videos Twilio API;
• Implemented Annotate on Live Stream Videos;
• Built UI screens for the application;
• Built Rest API for the application.